Inrecentyears,discussiononurbancapacityhasgraduallybeenextendedtothegovernmentandthemasseswhenproblemsliketrafficjams,housingprices,difficultyingettingschoolingandmedicaltreatmentbegintoappearinmegalopolislikeBeijing,ShanghaiandGuangzhou.OnSeptember2,2012,BeijingMunicipalGovernmentandChineseAcademyofSocialSciencessignedanagreementtojointlybuildtheMegalopolisResearchInstituteforEconomicand